RENAISSANCE TECHNOLOGIES LLC

Position in ACRS — Aclaris Therapeutics, Inc.

CIK 1037389 NEW YORK, NY

Position in ACRS

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$1,884,866

-$1,502,380 QoQ

Shares Held

502,631

-55.3% QoQ

Ownership

0.360%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

RENAISSANCE TECHNOLOGIES LLC holds $3,467,670,450 across 330 Biotechnology names. ACRS ranks #149 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	EXEL	Exelixis, Inc.	13,726,993	$588,750,729
2	INCY	Incyte Corp	3,651,532	$343,682,191
3	CORT	Corcept Therapeutics Inc	5,682,783	$229,072,982
4	VRTX	Vertex Pharmaceuticals Inc / Ma	421,688	$188,300,559
5	JAZZ	Jazz Pharmaceuticals plc	819,374	$154,902,654
6	GMAB	Genmab A/S	4,414,550	$118,442,376
7	INVA	Innoviva, Inc.	4,055,632	$94,496,225
8	ARWR	Arrowhead Pharmaceuticals, Inc.	1,036,495	$64,988,236

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,884,866	502,631	-55.3%	Shares	Sole	2026-05-14
2025-12-31	$3,387,246	1,125,331	-30.5%	Shares	Sole	2026-02-12
2025-09-30	$3,077,488	1,619,731	+10.6%	Shares	Sole	2025-11-13
2025-06-30	$2,079,984	1,464,778	+54.0%	Shares	Sole	2025-08-13
2025-03-31	$1,455,632	951,394	+11.9%	Shares	Sole	2025-05-14
2024-12-31	$2,109,287	850,519	-38.0%	Shares	Sole	2025-02-13
2024-09-30	$1,576,305	1,370,700	+48.6%	Shares	Sole	2024-11-13
2024-06-30	$1,014,420	922,200	-44.9%	Shares	Sole	2024-08-09
2024-03-31	$2,075,016	1,673,400	-4.2%	Shares	Sole	2024-05-13
2023-12-31	$1,833,753	1,746,432	+169.7%	Shares	Sole	2024-02-13
2023-09-30	$4,436,416	647,652	-33.2%	Shares	Sole	2023-11-14
2023-06-30	$10,054,254	969,552	-22.6%	Shares	Sole	2023-08-11
2023-03-31	$10,129,909	1,252,152	+11.6%	Shares	Sole	2023-05-12
2022-12-31	$17,667,594	1,121,752	-5.4%	Shares	Sole	2023-02-13
2022-09-30	$18,654,701	1,185,178	-10.9%	Shares	Sole	2022-11-14
2022-06-30	$18,562,304	1,329,678	-8.8%	Shares	Sole	2022-08-12
2022-03-31	$25,128,644	1,457,578	-13.1%	Shares	Sole	2022-05-13
2021-12-31	$24,381,806	1,676,878	-17.0%	Shares	Sole	2022-02-11
2021-09-30	$36,375,804	2,020,878	-16.9%	Shares	Sole	2021-11-12
2021-06-30	$42,703,777	2,431,878	-18.6%	Shares	Sole	2021-08-13
2021-03-31	$75,259,245	2,986,478	-8.6%	Shares	Sole	2021-05-13
2020-12-31	$21,145,111	3,268,178	-4.8%	Shares	Sole	2021-02-10
2020-09-30	$8,823,812	3,433,390	+4.7%	Shares	Sole	2020-11-13
2020-06-30	$5,313,340	3,279,840	+3.3%	Shares	Sole	2020-08-13
2020-03-31	$3,302,661	3,175,636	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.